REScheck & COMcheck Needham MA - Quick Facts
Local energy code in Needham
- As of July 1, 2024, Needham enforces the Massachusetts Specialized (Opt-In) Energy Code on top of the Stretch Code baseline - IECC Climate Zone 5A.
- The Opt-In code goes further than the Stretch baseline: new fossil-fuel homes must be pre-wired for electrification and include on-site solar where roof space allows.
- New all-electric homes rely on heat pumps for heat and hot water; large fossil-fuel homes over 4,000 sq ft must hit net-zero (HERS 0), and multifamily over 12,000 sq ft must be Passive House.
REScheck & COMcheck in Needham
- REScheck documents the prescriptive residential path for Needham additions, alterations and renovations (from $300); new-construction performance projects use a full HERS energy model instead.
- Commercial projects use COMcheck for the prescriptive path (from $600); larger new commercial buildings need third-party performance certification under the Stretch Code.
- 24-48 hour turnaround - documentation ready to upload with your Needham permit application.
Mass Save rebates for Needham (2026)
- All-electric renovations and additions can earn Mass Save incentives up to $20,000 (Level 1) or $30,000 (Level 2) for a single-family home, verified by a RESNET-certified HERS rater.
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REScheck & COMcheck Needham MA
Need a REScheck or COMcheck in Needham? We produce permit-ready energy code compliance reports for homes and commercial buildings across Norfolk County, matched precisely to your plans so your project clears plan review the first time.
What we deliver
A signed compliance report matched to your plans and ready to upload with your Needham building permit application.
REScheck vs. COMcheck: What’s the Difference?
Both are free compliance software tools developed by the U.S. Department of Energy (DOE) to demonstrate that a building meets the International Energy Conservation Code (IECC). They document your envelope, and for commercial work your lighting and mechanical systems, so a plan reviewer in Needham can confirm compliance quickly.
What is a COMcheck?
For commercial and four-plus-story residential buildings, COMcheck is required. It documents envelope, lighting, and mechanical compliance against the IECC or ASHRAE Standard 90.1 and produces the certificates a commercial plan reviewer expects.
What is a REScheck?
For homes, REScheck is the go-to. This DOE program checks residential envelopes — detached houses and multifamily up to three stories — and allows insulation and fenestration trade-offs to show prescriptive or component-based IECC compliance.
Is a REScheck Right for Your Needham Project?
REScheck is the simplest path for smaller residential projects in Needham that do not need a HERS rating. It is typically the right tool for:
- New residential construction or an addition of 1,000 sq ft or less that does not require a HERS rating
- Permit applications needing residential envelope documentation on the prescriptive or UA trade-off path
- Multifamily buildings of three stories or fewer
- Window and insulation upgrades that must be documented for a building permit
- Finished basements, attic conversions, and dormer additions on existing homes
Commercial Work That Needs a COMcheck in Needham
COMcheck is required for commercial and larger projects in Needham. Reach for a COMcheck when your project involves:
- Medical, dental, and professional office construction
- Commercial buildings — offices, retail, restaurants, warehouses, and mixed-use
- Envelope work on commercial structures requiring IECC or ASHRAE 90.1 compliance
- Tenant fit-outs and interior or exterior lighting alterations
- Warehouse, industrial, and light-manufacturing conditioned spaces
What We Deliver for Needham Projects
Fast, permit-ready turnaround
We deliver documentation ready to upload with your building permit application, and we answer plan-review questions if the department asks for revisions.
REScheck report
A signed REScheck compliance certificate matched to your plans, the inspection checklist, and the UA trade-off summary showing your insulation R-values and window U-factors meet the residential energy code.
COMcheck report
The COMcheck Envelope, Lighting, and Mechanical Compliance Certificates plus the Plan Review Checklist — the full package a commercial plan reviewer expects for permit submission.
Plans matched to code
We enter your assemblies, fenestration, and (for commercial) lighting and mechanical details exactly as designed, so the report reflects what you are actually building in Needham.
Serving Needham and Norfolk County
Needham sits in Norfolk County, Massachusetts, in IECC climate zone 5A — the cold-climate zone that drives the insulation and air-sealing levels your REScheck or COMcheck must document. We prepare compliance reports for projects throughout Norfolk County, matched to the code edition Needham currently enforces.
What a REScheck or COMcheck Costs in Needham
Transparent starting prices. Final cost depends on project size, number of assemblies, and scope.
- REScheck (residential): starting at $300
- COMcheck (commercial): starting at $600
- Revisions to match plan-review comments are handled promptly
REScheck reports start at $300 and COMcheck reports start at $600 for projects in Needham. Send your plans for an exact quote.
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Which Energy Code Report Does a Needham Project Need?
Needham has adopted the Massachusetts Specialized Code (the municipal opt-in code, 225 CMR 22.00 Appendix RC for homes and 225 CMR 23.00 Appendix CC for commercial and multifamily). New homes must be built to the net-zero-ready Specialized paths, new homes over 4,000 sq ft must use the all-electric or zero-energy path, and new multifamily buildings over 12,000 sq ft must be Passive House certified.
| Your Needham project | What the energy code paperwork usually is |
|---|---|
| New single-family home or low-rise residential building | A HERS rating or Passive House certification on a Specialized Code path. REScheck is not accepted for new homes. |
| Residential addition of 1,000 sq ft or less (and not over 100% of the existing home) | REScheck (REScheck-Web, 2023 Massachusetts Stretch Code) or the prescriptive tables |
| Residential addition over 1,000 sq ft or over 100% of the existing home | A HERS rating of the whole house (HERS 65 or lower mixed-fuel, 70 or lower all-electric) |
| Basement or attic conversion with no change to footprint or roofline | No HERS rating required; REScheck or prescriptive documentation |
| Residential renovation or alteration | Prescriptive alteration rules; REScheck can document the envelope. Large "extensive" alterations over 1,000 sq ft may need a HERS rating. |
| New commercial building up to 20,000 sq ft | COMcheck: Envelope, Lighting and Mechanical certificates plus the Plan Review Inspection Checklist |
| New commercial building over 20,000 sq ft | COMcheck Lighting and Mechanical, with the envelope shown by backstop and thermal-bridge calculations, on a performance path (Targeted Performance/TEDI or ASHRAE 90.1 Appendix G) or Passive House |
| Commercial addition, alteration, or lighting/HVAC change | COMcheck for the altered systems |
| Multifamily building over 12,000 sq ft | Passive House certification (Phius or PHI) |
Based on 225 CMR 22.00 and 23.00 (Massachusetts energy code, 2025 edition). Building departments make the final call, so we confirm the path for your project before we start. Needham is in Norfolk County, served from our Framingham (68 South St) office.
How We Prepare Your Needham REScheck or COMcheck
Send your plans
Email the permit set for your Needham project. We tell you the same day whether you need a REScheck, a COMcheck or a HERS rating.
We model the building
We enter every assembly, window, light fixture and HVAC unit as designed and flag anything that fails before the plan reviewer sees it.
Permit-ready report
You get the signed compliance certificates and checklists, ready to upload with your Needham building permit application.
Plan review support
If the building department asks for changes, we revise the report and answer the reviewer's questions.
REScheck & COMcheck for Needham Permits
Needham's Specialized (Opt-In) Code took effect on July 1, 2024, five years after the town adopted the Stretch Code on July 1, 2019. The Building Division at the Public Services Administration Building, 500 Dedham Avenue, takes all permit applications online through ViewPoint Cloud.
Needham's own Energy Code Compliance Form, used for new construction, additions and alterations, gives two ways to show compliance: a prescriptive envelope table or a REScheck analysis. Under the current code, the REScheck route fits only certain projects:
- Small additions and alterations. An addition up to 1,000 sq ft that is not more than 100% of the existing home, where the prescriptive path is allowed, can use REScheck.
- New homes. These need a HERS rating, HERS 42 mixed-fuel or HERS 45 all-electric.
- Big additions and major renovations. These need HERS 65 mixed-fuel or HERS 70 all-electric.
Commercial and multifamily work in Needham
COMcheck covers the envelope, lighting and mechanical systems of commercial buildings. A commercial building over 20,000 sq ft needs more than COMcheck under the Stretch and Specialized codes. Needham's larger housing projects show how much the energy code now shapes design. 100 West, a 189-unit mixed-income apartment community on West Street, broke ground in 2026.
HEEC's Framingham office at 68 South St serves Needham, and our Somerville office at 519 Broadway is close too. Send us your plans and we will tell you which report you need, then prepare it so it is ready to upload to ViewPoint Cloud with your application.
REScheck & COMcheck Questions for Needham Projects
Do I need a REScheck or a HERS rating in Needham?
For a new home in Needham, you need a HERS rating or Passive House, because Needham is on the Specialized Code. REScheck is used for smaller additions (1,000 sq ft or less and not over 100% of the existing home), basement and attic conversions, and renovations.
When is a COMcheck required in Massachusetts?
A COMcheck documents commercial energy code compliance for new commercial buildings up to 20,000 sq ft (envelope, lighting and mechanical), for lighting and mechanical on larger buildings, and for commercial additions and alterations such as fit-outs, lighting changes and HVAC replacements. Massachusetts commercial code is based on the 2021 IECC with state amendments in 225 CMR 23.00.
What does a COMcheck include?
The COMcheck Envelope Compliance Certificate, the Interior and Exterior Lighting Compliance Certificates, the Mechanical Compliance Certificate, and the Plan Review Inspection Checklist. Massachusetts 225 CMR 23.00 Section C103.2 lists these as the construction-document requirements for buildings up to 20,000 sq ft.
What does a REScheck include?
A REScheck compares your home's envelope (insulation R-values and window U-values) to the code using a total UA trade-off, so stronger performance in one assembly can offset another. The report includes the compliance certificate and inspection checklist. Mandatory items such as air sealing and duct sealing still apply.
What size addition needs a HERS rating instead of REScheck?
In Massachusetts, a residential addition over 1,000 sq ft, or over 100% of the existing conditioned floor area, needs a HERS rating of the whole house (225 CMR 22.00 R502.1.1). Converting an existing basement or attic without changing the footprint or roofline does not.
What information do you need to prepare a REScheck or COMcheck?
Plans with wall, roof and floor sections, insulation types and R-values, the window and door schedule with U-factors and SHGC, and for commercial work the lighting fixture schedule with wattages, lighting controls, and HVAC and water heating equipment schedules.
Which software version is used in Massachusetts?
REScheck-Web with the 2023 Massachusetts Stretch Code option for residential, and COMcheck-Web set to the 2021 IECC (or ASHRAE 90.1-2019) for commercial, matching the code Massachusetts enforces.
How much does a REScheck or COMcheck cost in Needham?
REScheck reports start at $300 and COMcheck reports start at $600. The final price depends on the size of the project and how many assemblies and systems need to be entered. Send your plans for an exact quote.
Can I still use REScheck in Needham?
Yes, for the right project. Needham's Energy Code Compliance Form accepts a REScheck analysis or a prescriptive envelope table. Under the Specialized (Opt-In) Code in effect since July 1, 2024, REScheck fits additions up to 1,000 sq ft that are not more than 100% of the existing home, plus alterations where the prescriptive path is allowed. New homes need a HERS rating.
How do I file a building permit in Needham?
All Needham permit applications are submitted online through ViewPoint Cloud. The Building Division is at the Public Services Administration Building, 500 Dedham Avenue.
Related: HERS rating in Needham · Blower door testing · COMcheck & REScheck reports
Need a REScheck or COMcheck in Needham?
Send us your plans and we will tell you which report you need and get it back to you fast — ready for your Needham permit.
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HERS Ratings Across Needham and Nearby Communities
Home Energy Efficiency Consultants rates new homes, additions, and major renovations throughout Needham — including Needham Center, Needham Heights, Birds Hill, and Highlandville. Every Needham project is filed with the Town of Needham Building Division, and we handle the energy model, blower door and duct leakage testing, and the compliance paperwork from start to finish.
We also serve the communities right around Needham, including Newton, Wellesley, Dedham, Dover, and Westwood. Our Framingham office at 68 South St is the closest of our four Massachusetts locations — see our Framingham office or call (617) 501-6788 to get a Needham rating on the schedule.
Needham Specialized Energy Code — HERS Index Targets
Needham enforces the Massachusetts Specialized (Opt-In) Energy Code. The required HERS score depends on fuel type and project scope — a lower index is stricter.
| Project type | Mixed-fuel | Mixed-fuel + solar | All-electric | All-electric + solar |
|---|---|---|---|---|
| New construction | HERS 42 | 42 | 45 | 45 |
| New construction — embodied-carbon credit | 45 | 45 | 48 | 48 |
| Accessory dwelling unit (ADU) | 52 | 55 | 55 | 58 |
| Major alteration / renovation / change of use | 65 | 70 | 70 | 75 |
A HERS rating is triggered by new construction, additions over 1,000 sq ft (or more than 100% of the existing conditioned area), and Level 3 alterations over 1,000 sq ft affecting more than 50% of the home. New homes must also pass a blower-door test at 3.0 ACH50 and include electrification-ready wiring for heat pumps, EV charging, and solar. We model your Needham project up front so you know the exact target and the fastest path to hit it — call (617) 501-6788.
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